Duifje Klein was a daughter of Lammert Salomon Klein and Elisabeth Speijer. She married Levie Kets de Vries in 1916 in Amsterdam. She had a daughter Emma and a daughter Elizabet from that marriage. After her first husband passed away she married Cornelis Marinus van Schaik in 1933 in Amsterdam. They divorced on 29 July 1942.
Stadsarchief Amsterdam, archiefkaarten Duifje Klein and Emma and Elizabet Kets de Vries
Biography